Semifinal 2
dimanche 6 août 2017, 20h10 GMT – 20h10 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Elaine Thompson-Herah | Jamaica | 10.84″ |
| 2 |  Rosangela Santos | Brazil | + 0.07″ |
| 3 |  Mujinga Kambundji | Switzerland | + 0.27″ |
| 4 |  Crystal Emmanuel | Canada | + 0.3″ |
| 5 |  Desiree Henry | Great Britain | + 0.4″ |
| 6 | Carina Horn | South Africa | + 0.42″ |
| 7 | Ariana Washington | United States | + 0.45″ |
| 8 | Ewa Swoboda | Poland | + 0.51″ |